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<div class="title">qwt_dial.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_DIAL_H</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_DIAL_H 1</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;qwt_abstract_slider.h&quot;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &quot;qwt_abstract_scale_draw.h&quot;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;qframe.h&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;qpalette.h&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">class </span><a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a>;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">class </span><a class="code" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a>;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_qwt_dial.html">   49</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_dial.html">QwtDial</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_abstract_slider.html">QwtAbstractSlider</a></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;{</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    Q_OBJECT</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    Q_ENUMS( <a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386">Shadow</a> <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad">Mode</a> Direction )</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    Q_PROPERTY( <span class="keywordtype">int</span> lineWidth READ lineWidth WRITE setLineWidth )</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    Q_PROPERTY( <a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386">Shadow</a> frameShadow READ frameShadow WRITE setFrameShadow )</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    Q_PROPERTY( <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad">Mode</a> mode READ mode WRITE setMode )</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    Q_PROPERTY( <span class="keywordtype">double</span> origin READ origin WRITE setOrigin )</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    Q_PROPERTY( <span class="keywordtype">double</span> minScaleArc READ minScaleArc WRITE setMinScaleArc )</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    Q_PROPERTY( <span class="keywordtype">double</span> maxScaleArc READ maxScaleArc WRITE setMaxScaleArc )</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386">   72</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386">Shadow</a></div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    {</div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386a8d0cdae56d44bcd25574d7e432498d86">   75</a></span>&#160;        Plain = QFrame::Plain,</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386a4054b8890d1f837387762b4a12157847">   78</a></span>&#160;        Raised = QFrame::Raised,</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386ae1388e8ff1a378e22cd082fcb46aa685">   81</a></span>&#160;        Sunken = QFrame::Sunken</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    };</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad">   85</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad">Mode</a></div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    {</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85adacc23db2e06c9098f8cfbd0181184054a">   88</a></span>&#160;        <a class="code" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85adacc23db2e06c9098f8cfbd0181184054a">RotateNeedle</a>,</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ada95a22f59ec832d22f011a9421f528c41">   91</a></span>&#160;        RotateScale</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    };</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_dial.html">QwtDial</a>( QWidget *parent = NULL );</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_dial.html">QwtDial</a>();</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keywordtype">void</span> setFrameShadow( Shadow );</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    Shadow frameShadow() <span class="keyword">const</span>;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keywordtype">void</span> setLineWidth( <span class="keywordtype">int</span> );</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordtype">int</span> lineWidth() <span class="keyword">const</span>;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordtype">void</span> setMode( Mode );</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    Mode mode() <span class="keyword">const</span>;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordtype">void</span> setScaleArc( <span class="keywordtype">double</span> minArc, <span class="keywordtype">double</span> maxArc );</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keywordtype">void</span> setMinScaleArc( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordtype">double</span> minScaleArc() <span class="keyword">const</span>;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keywordtype">void</span> setMaxScaleArc( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keywordtype">double</span> maxScaleArc() <span class="keyword">const</span>;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> setOrigin( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="keywordtype">double</span> origin() <span class="keyword">const</span>;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordtype">void</span> setNeedle( <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> * );</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *needle() <span class="keyword">const</span>;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *needle();</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    QRect boundingRect() <span class="keyword">const</span>;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    QRect innerRect() <span class="keyword">const</span>;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">virtual</span> QRect scaleInnerRect() <span class="keyword">const</span>;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">virtual</span> QSize sizeHint() <span class="keyword">const</span>;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keyword">virtual</span> QSize minimumSizeHint() <span class="keyword">const</span>;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keywordtype">void</span> setScaleDraw( <a class="code" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> * );</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <a class="code" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> *scaleDraw();</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> *scaleDraw() <span class="keyword">const</span>;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#a7050c9ce667176e6de4c6357b5acd493">wheelEvent</a>( QWheelEvent * );</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent( QPaintEvent * );</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> changeEvent( QEvent * );</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFrame( QPainter * );</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawContents( QPainter * ) <span class="keyword">const</span>;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFocusIndicator( QPainter * ) <span class="keyword">const</span>;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordtype">void</span> invalidateCache();</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawScale( QPainter *,</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        <span class="keyword">const</span> QPointF &amp;center, <span class="keywordtype">double</span> radius ) <span class="keyword">const</span>;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawScaleContents( QPainter *painter,</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keyword">const</span> QPointF &amp;center, <span class="keywordtype">double</span> radius ) <span class="keyword">const</span>;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawNeedle( QPainter *, <span class="keyword">const</span> QPointF &amp;,</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <span class="keywordtype">double</span> radius, <span class="keywordtype">double</span> direction, QPalette::ColorGroup ) <span class="keyword">const</span>;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_abstract_slider.html#af19ab98a4101c2eaa43de2df7ebe4d0d">scrolledTo</a>( <span class="keyword">const</span> QPoint &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_abstract_slider.html#ae674fc01201ec3ae4964838ef539c88e">isScrollPosition</a>( <span class="keyword">const</span> QPoint &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#a36ac20a000d40b2fddf5c144d1133f77">sliderChange</a>();</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#a491fe8bbe771fb51bf35d429d4b92e05">scaleChange</a>();</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    <span class="keywordtype">void</span> setAngleRange( <span class="keywordtype">double</span> angle, <span class="keywordtype">double</span> span );</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keywordtype">void</span> drawNeedle( QPainter * ) <span class="keyword">const</span>;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    PrivateData *d_data;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;};</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_dial_html_a7472124cb120352e8538430ab48c2386"><div class="ttname"><a href="class_qwt_dial.html#a7472124cb120352e8538430ab48c2386">QwtDial::Shadow</a></div><div class="ttdeci">Shadow</div><div class="ttdoc">Frame shadow. </div><div class="ttdef"><b>Definition:</b> qwt_dial.h:72</div></div>
<div class="ttc" id="class_qwt_round_scale_draw_html"><div class="ttname"><a href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a></div><div class="ttdoc">A class for drawing round scales. </div><div class="ttdef"><b>Definition:</b> qwt_round_scale_draw.h:30</div></div>
<div class="ttc" id="class_qwt_dial_html"><div class="ttname"><a href="class_qwt_dial.html">QwtDial</a></div><div class="ttdoc">QwtDial class provides a rounded range control. </div><div class="ttdef"><b>Definition:</b> qwt_dial.h:49</div></div>
<div class="ttc" id="class_qwt_abstract_slider_html_a7050c9ce667176e6de4c6357b5acd493"><div class="ttname"><a href="class_qwt_abstract_slider.html#a7050c9ce667176e6de4c6357b5acd493">QwtAbstractSlider::wheelEvent</a></div><div class="ttdeci">virtual void wheelEvent(QWheelEvent *)</div><div class="ttdef"><b>Definition:</b> qwt_abstract_slider.cpp:299</div></div>
<div class="ttc" id="class_qwt_abstract_slider_html_a36ac20a000d40b2fddf5c144d1133f77"><div class="ttname"><a href="class_qwt_abstract_slider.html#a36ac20a000d40b2fddf5c144d1133f77">QwtAbstractSlider::sliderChange</a></div><div class="ttdeci">virtual void sliderChange()</div><div class="ttdoc">Calling update() </div><div class="ttdef"><b>Definition:</b> qwt_abstract_slider.cpp:819</div></div>
<div class="ttc" id="class_qwt_dial_html_a7376f53193014b91643350e6e6bc85ad"><div class="ttname"><a href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85ad">QwtDial::Mode</a></div><div class="ttdeci">Mode</div><div class="ttdoc">Mode controlling whether the needle or the scale is rotating. </div><div class="ttdef"><b>Definition:</b> qwt_dial.h:85</div></div>
<div class="ttc" id="class_qwt_dial_html_a7376f53193014b91643350e6e6bc85adacc23db2e06c9098f8cfbd0181184054a"><div class="ttname"><a href="class_qwt_dial.html#a7376f53193014b91643350e6e6bc85adacc23db2e06c9098f8cfbd0181184054a">QwtDial::RotateNeedle</a></div><div class="ttdoc">The needle is rotating. </div><div class="ttdef"><b>Definition:</b> qwt_dial.h:88</div></div>
<div class="ttc" id="class_qwt_abstract_slider_html_a491fe8bbe771fb51bf35d429d4b92e05"><div class="ttname"><a href="class_qwt_abstract_slider.html#a491fe8bbe771fb51bf35d429d4b92e05">QwtAbstractSlider::scaleChange</a></div><div class="ttdeci">virtual void scaleChange()</div><div class="ttdef"><b>Definition:</b> qwt_abstract_slider.cpp:801</div></div>
<div class="ttc" id="class_qwt_abstract_slider_html_af19ab98a4101c2eaa43de2df7ebe4d0d"><div class="ttname"><a href="class_qwt_abstract_slider.html#af19ab98a4101c2eaa43de2df7ebe4d0d">QwtAbstractSlider::scrolledTo</a></div><div class="ttdeci">virtual double scrolledTo(const QPoint &amp;pos) const =0</div><div class="ttdoc">Determine the value for a new position of the movable part of the slider. </div></div>
<div class="ttc" id="class_qwt_abstract_slider_html"><div class="ttname"><a href="class_qwt_abstract_slider.html">QwtAbstractSlider</a></div><div class="ttdoc">An abstract base class for slider widgets with a scale. </div><div class="ttdef"><b>Definition:</b> qwt_abstract_slider.h:32</div></div>
<div class="ttc" id="class_qwt_dial_needle_html"><div class="ttname"><a href="class_qwt_dial_needle.html">QwtDialNeedle</a></div><div class="ttdoc">Base class for needles that can be used in a QwtDial. </div><div class="ttdef"><b>Definition:</b> qwt_dial_needle.h:28</div></div>
<div class="ttc" id="class_qwt_abstract_slider_html_ae674fc01201ec3ae4964838ef539c88e"><div class="ttname"><a href="class_qwt_abstract_slider.html#ae674fc01201ec3ae4964838ef539c88e">QwtAbstractSlider::isScrollPosition</a></div><div class="ttdeci">virtual bool isScrollPosition(const QPoint &amp;pos) const =0</div><div class="ttdoc">Determine what to do when the user presses a mouse button. </div></div>
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